<?php
/*
 * Session variables:
 * $_SESSION['database'] [string] = database name of the current tutorial centre
 * $_SESSION['type'] [string] = user type of the logged in user
 * $_SESSION['authorised'] [boolean] = whether or not the current user is logged in
 * $_SESSION['user'] [string] = the username/ email of the logged in user
*/
session_start();

if(isset($_SESSION['authorised']) && $_SESSION['authorised'] == true) {
	if(isset($_SESSION['type'])) {
		if($_SESSION['type'] == 'administrator') {
			header('Location: admin_index.php');
			exit();
		}
		elseif($_SESSION['type'] == 'tutor') {
			include('connection.inc');
			?>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Home</title>
<link href="StyleSheet.css" rel="stylesheet" type="text/css" />
<style>
.nav {
	width: 210px;
	height: auto;
	border: thin solid #09C;
	margin-left: 10px;
	text-align: center;
}

.mainline {
	width: 712px;
	height: auto;
	text-align: center;
}
</style>
</head>
<body bgcolor="#FFFFFF">
	<center>

		<div id="wrapper">
			<div id="header">
				<h1></h1>
			</div>

			<div id="header2">
				<h3></h3>
			</div>

			<div id="nav">
				<?php include 'tutor_navigation.php';?>
			</div>

			<div id="mainline">
				<h4>Student Evaluation</h4>
				<div id="body">
				<form action="tutor_evaluatestudent2.php" method="post">
					<table height="auto">
						<tr>
							<th align="left">Student's Name:</th>
							
							<td><select name="student">
							<?php
							
							$username = $_SESSION['user'];
							$sql = "SELECT * FROM teachers where username = '$username'";
							$result = pg_query($sql);
							$teacherid = pg_fetch_result($result, 'teacher_id');
							$sql = "SELECT * FROM classes where teacher_id = '$teacherid'";
							$result = pg_query($sql);
							
							for ($i = 0; $i < pg_num_rows($result); $i++) 
							{
								$class_id = pg_fetch_result($result, $i, 'class_id');
								$sql = "SELECT users.firstname, users.lastname, students.student_id FROM enrolled_at INNER JOIN students on enrolled_at.student_id = students.student_id INNER JOIN users on students.username = users.username where enrolled_at.class_id='$class_id'";
								$result2 = pg_query($sql);
								for ($i = 0; $i < pg_num_rows($result2); $i++) 
								{
									
									$student_first_name = pg_fetch_result($result2, $i, 'firstname');
									$student_last_name = pg_fetch_result($result2, $i, 'lastname');
									$student_id = pg_fetch_result($result2, $i, 'student_id');
									$student_name = $student_first_name. " " .$student_last_name;
									echo "<option value = \"$student_id\">$student_name</option>";
								}
							}
							?>
							</select>
							</td>
						</tr>
					</table>
					<h3>Evaluation</h3>
					<textarea rows="15" cols="60" name="evaluation" id="evaluation"></textarea><br /><br />
					<input name="submit" type="submit" value="Submit" align="left" />
					</form>
				</div>
			</div>

			<br class="clearfloat"> <br />

			<div id="footer">
				<p align="center">
					Tutorial Business Manager: info@tbms.com <br />Credits/Engineers:
					Aquino, Chloebelle; Dela Cruz, Roy Erwin; Maliwanag, Ranyel Bryan;
					Manzano, Audrey Ann; Ng, Sheila Regine<br /> <br />copyright 2011
				</p>
			</div>
		</div>
	</center>
</body>
</html>
								<?php
		}
		elseif($_SESSION['type'] == 'student') {
			header('Location: student_index.php');
			exit();
		}
		elseif($_SESSION['type'] == 'parent') {
			header('Location: parent_index.php');
			exit();
		}
	}
}
else {
	header('Location: index.php');
}
?>